English, Article edition: FINITE ELEMENT SURFACE FITTING FOR BRIDGE MANAGEMENT XIAOJUN CHEN; TAKUMA KIMURA

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Bookmark: http://trove.nla.gov.au/version/82167
Physical Description
  • article
Language
  • English

Edition details

Title
  • FINITE ELEMENT SURFACE FITTING FOR BRIDGE MANAGEMENT
Author
  • XIAOJUN CHEN
  • TAKUMA KIMURA
Physical Description
  • article
Notes
  • We propose a new finite element surface fitting method which can handle very large databases. This method uses finite element discretization to find an approximation of a smooth function which minimizes a sum of data residuals and second derivatives under some constraints on data. The finite element discretization derives a large scale constrained quadratic program, which can be reformulated as a system of piecewise linear equations. We develop a preconditioned Newton method to solve the system efficiently. We apply this method to form surfaces over Aomori Region in Japan by geographic databases, such that every bridge became associated with environmental information.
  • Finite element method, surface fitting, bridge management, nonsmooth equation, Newton's method
  • RePEc:wsi:ijitdm:v:05:y:2006:i:04:p:671-681
Language
  • English
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